"ENGINE TORQUE When the piston is moving down on the power stroke, it is applying torque to the engine crankshaft ( through the connecting rod)." 发动机扭矩:当活塞处于做功行程而向下运动时,所产生的扭矩通过连杆传递给发动机曲轴
The corresponding relations between the torque of bucket rod torque and oil production system behavior can be applied to fault diagnosis. 根据光杆扭矩与采油系统工况之间的对应关系,进行故障诊断。
Analysis on Fracture of the Torque Rod 扭力杆断裂的分析
Measuring the Torque and Axial Drag on Rod in Rod Pump Production Wells 螺杆泵采油井光杆转矩和轴向拉力双参数测试技术
Calculation or load torque on sucker rod string for oil recovery by screw pumps 螺杆泵抽油杆柱负载扭矩计算
Motor Vehicle Suspension Torque Rod Strengthening Technique 汽车悬架扭杆强化技术
Based upon the more accurate dynamic mode established in this thesis, the torque of crank and efficiency of rod pumping system are calculated. The model used in this paper is more close to reality by compared with the measured results. 基于本文所建立的比较精确的动力学模型,对有杆抽油系统的曲柄轴扭矩和系统效率进行了计算,通过与实测结果比较,说明本文的模型更接近实际。
A simulation study on the slow speed characteristics of the low speed high torque hydraulic motor with crankshaft and connecting rod 曲轴连杆低速大扭矩液压马达低速特性的仿真研究
The paper presents technological procedure of torque rod and relevant technical problems of several kind strengthening techniques for it-medium frequency induction quenching treatment, shot blasting, rolling and pre-twisting treatment. 介绍了扭杆的生产工艺流程及扭杆的几种强化技术&中频感应淬火处理、喷丸、滚压和预扭处理的有关技术问题。
Motor vehicle independent suspension torque rod is a key component and safety component of the suspension, of which the production technology is rather complex. 汽车独立悬架扭杆是悬架的关键件、保安件,其生产工艺比较复杂。
The torque control valve of hydraulic tong is developed to protect the scrws of tube and suck rod from being damaged or deformed caused by over tightness. 液压油管钳扭矩控制阀用于油管和抽油杆上螺纹时控制其扭矩值,以免扭矩过大而损坏螺纹或造成本体变形。
Therefore a new algorithm of geometrical Pareto evolution algorithm with complex ( GPEC) based on geometrical characters is used to make a multi-objective optimal design for maximum torque factor and polished rod acceleration on the upstroke of a conventional pumping unit. 为此,采用一种新的集复合形方法和几何选择为一体的多目标Pareto进化算法(GPEC),对常规型抽油机的上冲程最大扭矩因数和上冲程悬点加速度进行多目标优化设计。
This thesis discussed questions of screw down torque of the connecting rod screw, effect of deformation of the main bearing bolt torque to the connecting rod big end bearing hole and the engine body main bearing hole. 本文就连杆螺钉拧紧力矩,主轴承螺栓拧紧力矩对连杆大头轴承孔、机体主轴承孔的变形问题进行了探讨。
In order to diagnose the working conditions of progressive cavity pumps, a system for testing polished rod toad is established, by which real-time test is conducted on vertical laod and torque on a polished rod. 为了诊断螺杆泵采油系统工况,建立了光杆受力测试系统,可以实时测试光杆所承受的垂向载荷、扭矩。
By comparison and analysis of some kinds of beam pumping units, the authors discuss the relationship of the stroke length to torque factor, polished rod load and linkage dimensions, and work out relevant diagrams and tables. 通过对国内外部分游梁式抽油机的对比分析,讨论了冲程长度与扭矩因数、悬点载荷、杆件尺寸等参数的关系,作出了抽油机参数随冲程长度变化的图和表。
The results show that crooked rod stands the shearing force, bending stress, friction force and torque of friction for rod bending, except the torque and axial force on rod. 结果表明,除了正常作用在抽油杆上的扭矩和轴向力以外,抽油杆弯曲后还会受到由于弯曲变形引起的剪切应力、弯曲应力以及井筒与其接触的摩擦阻力和摩擦扭矩等。
Prolonging the startup time can reduce the peak value of startup torque. Then the rod breaking problem due to oversize rod torque can be effectively solved while progressive cavity pump instantaneously started up. 延长启动时间可降低启动扭矩峰值,有效地解决螺杆泵井瞬时启动抽油杆扭矩过大造成的断杆问题。
The new device uses a rotary mechanism similar to ball joint to eliminate the unscrewing torque caused by the reciprocating motion of the rod string. 这种装置采用类似球形关节的旋转机构,消除了抽油杆柱上下往复运动产生的倒扣扭矩;
The torque curve of the pumping rod string with time at any position and the lateral displacement of the pumping rod string at any moment are obtained by solving the dynamic model with Newmark direct integration method. 利用Newmark直接积分方法对动力学模型进行求解,可获得任意位置处抽油杆柱扭矩载荷随时间变化曲线、任意时刻沿井筒侧向位移等。
With the aid of torque measurement on a pilot rod mill, it is studied the effects of mill feed size and batch grinding time on the particle size distribution and energy consumption in dry rod grinding. 使用装有扭矩测试系统的半工业规模棒磨机,研究了磨机给矿粒度和分批作业磨矿机时间对棒磨产品粒度分布及能量消耗的影响;
The suspension of the tractor is simplified by the model of spring-damp system, and the artillery torque rod is also simplified by torsion spring. 牵引车悬架简化为弹簧阻尼系统;火炮扭转杆简化为扭簧。
The induction quenching realizes imitated stress strengthening, raises fatigue limit and service performance of the torque rod. 感应淬火实现了仿应力强化,提高了扭杆的疲劳极限和使用性能。
Floating-ring is an important sealing part, through which to provide the high-speed rotary chuck with high pressure oil, making the chunk with the ability of transferring torque and axial force to drilling rod. 配油套是钻机中最重要的密封元件,通过它可以向高速旋转的胶囊式卡盘供应高压油,从而使卡盘具有向钻杆传递扭矩和轴向力的能力。
At present, the die has been successfully used in the production of plug-in torque rod and achieved good social and economic benefits. 目前,由该工艺设计的模具已经成功的应用于插接式扭矩杆端部镦锻成形的生产制造中,取得了良好效益。
By analyzing the forging process of the plug-in torque rod, two forming process schemes are drafted and their process parameters are adjusted. 通过对插接式扭矩杆镦锻工艺的分析,拟定了两种工艺方案。
The influence of the main parameters in the kinematic model to the average effective torque is analyzed, which provides a theoretical basis for further analysis of the structure of power cylinder. Fifth, ANSYS workbench is used to optimize the connecting rod. 分析了运动学模型中主要参数对平均有效转矩的影响。